Finding the Fourth Proportional to 627,742.42, 866,247.75 and 341,260.00
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Solution
The fourth proportional to 627,742.42, 866,247.75 and 341,260.00 is: 470,918.80
Step by Step Solution
- Step 1: Write the proportion equation
627,742.42 : 866,247.75 = 341,260.00 : x - Step 2: Convert to fraction form
627,742.42/866,247.75 = 341,260.00/x - Step 3: Cross multiply
627,742.42x = 866,247.75 × 341,260.00 - Step 4: Simplify right side
627,742.42x = 295,615,704,999.38 - Step 5: Solve for x
x = 295,615,704,999.38/627,742.42 - Step 6: Final answer
x = 470,918.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.